Siemens 6AV6381-2BN07-4AV0 WINCC SYSTEMSOFTWARE V7.4 ASIA, RC 512 (512 POWER TAGS), RUNTIME & CONFIGURATION -SW ON DVD, FLOATING LICENSE, LICENSE KEY ON USB STICK, CLASS A, 5-LANGUAGES (DE,EN,IT,FR,SP), EXECUTABLE UNDER WINDOWS 7 PROF/ENT/ULT +SP1 (32 BIT